Optics for vehicle occupant monitoring systems

a vehicle and monitoring system technology, applied in the field of environmental mapping and surveying, can solve the problems of large data traffic and processing resources, and achieve the effect of reducing the amount of light that exits through the input surfa
US20210056341A1Pending Publication Date: 2021-02-25NEONODE
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
NEONODE
Publication Date
2021-02-25

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Abstract

A focusing optical part, including a plastic body, suitable for being delivered on a tape and reel and mounted on a PCB by an automated mounting machine, the plastic body including a concave mirror including a center aperture input surface through which light enters the plastic body, a convex mirror opposite the center aperture, wherein the concave mirror and the convex mirror form a reflective objective that reflects and focuses the light inside the plastic body, and an exit surface surrounding the convex mirror, through which focused light exits the plastic body.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims benefit under 35 U.S.C. § 371 of PCT Application No. PCT / US2019 / 014667 entitled POLAR COORDINATE SENSOR, filed on Jan. 23, 2019 by inventors Alexander Jubner, Lars Bertil Sparf, Robert Sven Pettersson and Stefan Johannes Holmgren. PCT Application No. PCT / US2019 / 014667 claims priority of U.S. Provisional Patent Application No. 62 / 621,644, filed on Jan. 25, 2018 by inventors Alexander Jubner, Lars Bertil Sparf, Robert Sven Pettersson and Stefan Johannes Holmgren.FIELD OF THE INVENTION

[0002] The field of the present invention is environmental mapping and surveying by identifying the position and contour of objects on a plane or in space using light reflections. Applications include touch screen sensors, gesture sensors, 3D scanning to create three-dimensional models, object detection in collision avoidance systems for vehicles and drones, and vehicle occupant monitoring.BACKGROUND OF THE INVENTION

[0003] Prior art reflec...

Claims

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